SMT-1820-T-12V-R

$1.90

Description：BUZZER PIEZO 12V 18X18MM SMD
Series：SMT
Mfr：PUI Audio, Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:4e8b09f961a0 Category: Alarms, Buzzers, and Sirens Brand: PUI Audio, Inc.

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Product introduction

SMT-1820-T-12V-R is listed in the Alarms, Buzzers, And Sirens range at ChipApex. The manufacturer field lists PUI Audio, Inc.. Its product description is BUZZER PIEZO 12V 18X18MM SMD. Review the specifications below when checking this part for your BOM.

Alarms, Buzzers, And Sirens specifications for SMT-1820-T-12V-R

Description：BUZZER PIEZO 12V 18X18MM SMD
Series：SMT
Mfr：PUI Audio, Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Driver Circuitry：Transducer, Externally Driven
Input Type：Peak-Peak Signal
Frequency：2kHz
Technology：Piezo
Operating Mode：-
Duration：-
Sound Pressure Level (SPL)：90dB @ 12V, 10cm
Current - Supply：15mA
Port Location：Top
Operating Temperature：-40°C ~ 105°C
Approval Agency：-
Ratings：-
Ingress Protection：-
Mounting Type：Surface Mount
Termination：Solder Pads
Height - Seated (Max)：0.335" (8.50mm)
Voltage - Rated：12 V
Voltage Range：1 ~ 25V
Size / Dimension：0.709" L x 0.709" W (18.00mm x 18.00mm)

Alarms, Buzzers, And Sirens datasheet and documents for SMT-1820-T-12V-R

SMT-1820-T-12V-R

Alarms, Buzzers, And Sirens Overview

The SMT-1820-T-12V-R is an externally driven piezoelectric transducer manufactured by PUI Audio. It operates at a self-resonant frequency of 2 kHz and delivers a sound pressure level of 90 dBA at a distance of 100 mm when powered by 12 VDC. The device draws a maximum operating current of 15 mA and supports a maximum supply voltage of 25 VAC. Designed for surface mount technology, it features solder pad terminations and measures 18 mm in length.

Alarms, Buzzers, And Sirens Feature Summary

Externally driven piezoelectric technology for active signal application
Surface mount construction with solder pad terminations for automated assembly
High acoustic output capability with 90 dBA sound pressure level

Alarms, Buzzers, And Sirens Applications

Electronic alarm systems requiring audible alerts
Industrial control panel status indicators
Consumer appliance notification circuits

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with your circuit design. Confirm that the external drive signal matches the piezoelectric requirements. Check RoHS compliance documentation if environmental regulations apply to your manufacturing process. Ensure PCB footprint dimensions align with the 18 mm length specification.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a high-output audible indicator is required for surface mount assemblies. The 2 kHz resonant frequency provides distinct audibility compared to lower-frequency alternatives. The 15 mA current draw offers efficient power consumption for battery-operated devices. Verify that the driving circuit can handle the peak-peak signal input type specified for this transducer series.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the SMT-18 series of electromagnetic and piezoelectric transducers from PUI Audio. The series is characterized by compact surface mount packages designed for space-constrained electronics. The SMT-1820 variant specifically denotes the 18 mm length dimension within this product family.